EP2432722A1 - Dispositif de va-et-vient - Google Patents

Dispositif de va-et-vient

Info

Publication number
EP2432722A1
EP2432722A1 EP10719530A EP10719530A EP2432722A1 EP 2432722 A1 EP2432722 A1 EP 2432722A1 EP 10719530 A EP10719530 A EP 10719530A EP 10719530 A EP10719530 A EP 10719530A EP 2432722 A1 EP2432722 A1 EP 2432722A1
Authority
EP
European Patent Office
Prior art keywords
stator
traversing
rotor
reversal
traversing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10719530A
Other languages
German (de)
English (en)
Other versions
EP2432722B1 (fr
Inventor
Marcus Herzberg
Suprit Pal Singh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2432722A1 publication Critical patent/EP2432722A1/fr
Application granted granted Critical
Publication of EP2432722B1 publication Critical patent/EP2432722B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733—Annular magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2833—Traversing devices driven by electromagnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/385—Preventing edge raising, e.g. creeping arrangements
    • B65H54/386—Preventing edge raising, e.g. creeping arrangements with energy storing means for recovering the kinetic energy at the end of the traversing stroke
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/225—Heat pipes

Definitions

  • the invention relates to a traversing device according to the preamble of claim 1.
  • Generic traversing devices are used to reciprocate a continuously-running thread parallel to the axis of a rotating sleeve so that the thread is wound onto the sleeve to form a bobbin.
  • a traversing device which guides the yarn at a uniform speed between the reversal points and reverses the movement at very high acceleration at the reversal points.
  • WO 00/55082 A1 shows a traversing device with electric motor and belt-driven traversing yarn guide, which has a second drive which exerts an additional component of movement on the belt for reversing the motion.
  • JP 08-217332 A will propose to act in the reversal points of a linear motor with additional frontally acting on the yarn guide magnetic coils in the reverse phase on the yarn guide.
  • EP 1 880 963 A2, EP 1 880 964 A2, DE 39 07 125 A1 and US Pat. No. 2,964,260 describe various passive energy stores which absorb the kinetic energy at the reversal points and return them to the traversing device for reversing the movement.
  • the second category includes EP 0 453 622 B1, which proposes to operate an electric motor at higher current during reversal points.
  • EP 0 906 239 B1 intervenes in the stator current of the electric motor so that the torque of the motor in the reversal points automatically adapts to the requirements.
  • the traversing devices of the first category either require additional space at the end points of the traversing stroke or are structurally very complicated. However, if several bobbins are arranged coaxially one behind the other, as is often the case with textile machines in the form of Aufspulfeldern, this additional space is not available. It is therefore an object of the invention to provide a traversing device that provides a particularly high torque or a particularly high force in a compact design in the reversal points.
  • each equipped with electromagnetic coils or permanent magnets stator and / or rotor of the electric drive is performed in the reverse areas other than in continuity area.
  • the reversal area is defined as the area where the rotor and stator interact during the reversal of motion of the traversing yarn guide.
  • continuity range is understood to mean the range in which the rotor and stator interact during the uniform movement between the reversal points of the traversing yarn guide.
  • Electric drive here is understood both a linear motor, which is connected directly to the yarn guide, as well as a rotary acting motor in the form of a stepping motor or a controlled electric motor.
  • the location and formation of the reversal areas and continuity areas depend primarily on the design of the electric drive.
  • the electric drive is a rotary electric motor.
  • the electric motor has a stator with a plurality of electromagnetic coils and a rotor with a plurality of permanent magnet poles or with a plurality of electromagnetic coils acting as electromagnets, wherein the coils may be foreign or self-excited.
  • Reversal regions are now defined on both the stator and the rotor, which are chosen so that they interact at the time of reversal. For the electric motor, this means that they face each other at this time.
  • the electric drive is a linear motor.
  • this has a permanent magnet as a rotor and a number of electromagnetic coils as a stator, these particularly preferably have a same orientation of the coil axis.
  • the size of the reverse portions of the stator is usually selected depending on the shapes of the thread bobbins to be wound.
  • the reverse regions may extend over a greater length of up to 25% of the length of the traverse stroke or even more.
  • the distinction between the reverse region and the continuity region is achieved in one embodiment by stronger permanent magnets in the reverse region. As a result, the realizable forces in this area are higher than in the continuity area.
  • the electromagnetic coils in the reverse region have a higher number of turns, and this embodiment can also be used in combination with the aforementioned embodiment.
  • Another embodiment provides that in the area of continuity the density of the permanent magnets or electromagnetic coils is lower.
  • every second electromagnetic coil or every other permanent magnet may be missing here.
  • Also included according to the invention is the case that all electromagnetic coils or permanent magnets are missing in this area. This is useful, for example, in combination with a rotary electric motor.
  • the electromagnetic coils are connected to additional cooling means in the reversal regions. These counteract additional heating due to the higher number of turns of the electromagnetic coils in this area.
  • Fig. 1 equipped with a linear motor according to the invention
  • FIG. 2 A traversing device according to the invention, equipped with a rotary electric motor.
  • FIG. 1 shows a traversing device according to the invention with a drive by a linear motor.
  • Run as a permanent magnet 35 runner 2 is guided by means of a sleeve 3 on a guide 4, that it can be guided back and forth within the traversing 5.
  • the rotor 2 carries a traversing yarn guide 1, which is used to guide a thread when winding a thread. denspule by the rotor 2 within the traversing range 5 back and forth.
  • the rotor 2 cooperates with the stator 6, which is equipped with a plurality of yokes 9,11 and coils 10,12.
  • the coils 10,11 are connected to a controllable AC power source in such a way that over the longitudinal direction of the stator 6 results in a traveling magnetic field that drives the rotor 2.
  • the AC power sources are controlled so that at the end points of the traversing range 5, the direction of movement is reversed.
  • the area in which the direction of movement is reversed is marked on the stator 6 as the reversal area 7.
  • the area between the reversal areas 7 is marked as continuity area 8.
  • the coils 10 have a higher number of turns than the coils 12 in the continuity region 8. It is thereby achieved that the rotor 2 reversing in one of the reversal regions 7 can execute higher accelerations.
  • the continuity area 8 on the other hand, only small forces act on the rotor 2, so that smaller coils 12 are used here. Therefore, in this area a lower power dissipation acts on the stator 6, which has a lower heating result.
  • FIG. 2 shows another embodiment variant of the traversing device according to the invention.
  • the electric drive is a rotary electric motor 13 is used, which drives a pulley 15 via a shaft 14. This drives an endless belt 16, which is guided by means of deflection rollers 17 along the traversing region 32 where it drives a traversing yarn guide 18.
  • the in translation between the electric motor 13 and the traversing yarn guide 18 is chosen so that the electric motor exerts a half or a multiple of half a revolution for a traverse stroke.
  • Both a rotor 19 and a stator 20 of the electric motor 13 have reverse portions 21 and 23 and continuity portions 22 and 24. These are arranged so that at the time of reversal of the direction of movement of the traversing yarn guide 18, the reversing portions 21 and 23 cooperate.
  • the coils 25 and 27 of the stator 20 are also electrically controlled so that a traveling, in this case, a rotating magnetic field is established within the stator 20.
  • the stator 20 is provided in the reversing regions 23 with higher number of coils 26 than in the continuity region 24 where coils 25 are arranged with a smaller number of turns.
  • the traversing device according to the invention is generally well suited to be acted on in the reversal of motion with the known from the prior art higher energization of the coils, it is particularly appropriate here, the electromagnetic coil 26 in the reverse region 21 of the rotor 19 with a coolant 27 to provide.
  • heatpipes 33 with cooling fins 34 outside of the stator 20 are shown in FIG.
  • the traversing devices illustrated in the exemplary embodiments according to FIGS. 1 and 2 are only examples.
  • the invention also extends to similar designs in which a traversing yarn guide is driven by means of an electric drive by the interaction of at least one stator and one rotor.
  • stator 7 reversal area of the stator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Linear Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

L'invention concerne un dispositif de va-et-vient pour le va-et-vient d'un fil. Le dispositif de va-et-vient est entraîné par un entraînement électrique (3, 13). Pour obtenir une accélération supérieure lors du changement de sens, un stator (6, 20) ou un rotor (2, 19) de l'entraînement électrique présente des zones dans lesquelles les bobines électromagnétiques (10, 12, 25, 26) ou les aimants permanents (30, 31) sont conçus de manière plus puissante. Ces zones sont agencées de manière à coopérer pendant le changement de sens du guide-fils à va-et-vient. Ainsi, l'entraînement électrique obtient un couple et une force variables respectivement selon l'angle de rotation et la course, les valeurs maximales du couple ou de la force coïncidant avec les points e changement de sens du guide-fils à va-et-vient.
EP10719530.7A 2009-05-20 2010-05-03 Dispositif de va-et-vient Not-in-force EP2432722B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009022061A DE102009022061A1 (de) 2009-05-20 2009-05-20 Changiereinrichtung
PCT/EP2010/055964 WO2010133443A1 (fr) 2009-05-20 2010-05-03 Dispositif de va-et-vient

Publications (2)

Publication Number Publication Date
EP2432722A1 true EP2432722A1 (fr) 2012-03-28
EP2432722B1 EP2432722B1 (fr) 2013-07-03

Family

ID=42260394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10719530.7A Not-in-force EP2432722B1 (fr) 2009-05-20 2010-05-03 Dispositif de va-et-vient

Country Status (5)

Country Link
EP (1) EP2432722B1 (fr)
JP (1) JP5579258B2 (fr)
CN (1) CN102428017B (fr)
DE (1) DE102009022061A1 (fr)
WO (1) WO2010133443A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104609253B (zh) * 2013-11-01 2019-04-16 舍弗勒技术股份两合公司 导纱器及纱线卷绕机
CZ304685B6 (cs) 2013-12-18 2014-08-27 Technická univerzita v Liberci Způsob rozvádění příze při jejím navíjení na cívku uloženou v navíjecím ústrojí pracovního místa textilního stroje a zařízení k jeho provádění
CN104891264B (zh) * 2015-04-16 2017-08-01 丝丝姆纺织机械（中山）有限公司 一种新型电子排纱机上导纱装置
DE102015007818A1 (de) 2015-06-18 2016-12-22 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Changieren eines Fadens
JP6781011B2 (ja) * 2016-11-01 2020-11-04 Ｔｍｔマシナリー株式会社 トラバース装置及び糸巻取装置
CN107458918A (zh) * 2017-09-04 2017-12-12 常州市永明机械制造有限公司 直线电机往复运动高速收卷机
AT523101A1 (de) * 2019-10-31 2021-05-15 B & R Ind Automation Gmbh Transporteinrichtung in Form eines Langstatorlinearmotors

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US2964260A (en) 1955-02-23 1960-12-13 Celanese Corp Traverse mechanism
CH536782A (de) * 1971-08-25 1973-05-15 Schweiter Ag Maschf Fadenführvorrichtung zur Erzeugung von Kreuzspulen auf Spulmaschinen
DE3907125A1 (de) 1988-03-08 1989-09-21 Barmag Barmer Maschf Changiereinrichtung
JPH03169254A (ja) * 1989-11-27 1991-07-22 Amada Co Ltd リニア交流サーボモータ
DE59008484D1 (de) 1990-04-23 1995-03-23 Ssm Ag Verfahren und Vorrichtung zum Aufwickeln eines Fadens auf eine Spule.
JPH08217332A (ja) 1995-02-16 1996-08-27 Murata Mach Ltd 糸のトラバース装置
TW492944B (en) 1997-03-20 2002-07-01 Barmag Barmer Maschf Traversing device and method for controlling a traversing device
DE29904699U1 (de) 1999-03-15 2000-09-28 Muennekehoff Gerd Changiereinrichtung
JP2004527431A (ja) * 2001-06-07 2004-09-09 リエテ・イセベテ パッケージの形態で糸を巻取る往復動装置
US7462963B2 (en) * 2004-11-30 2008-12-09 Nissan Motor Co., Ltd. Motor cooling device and cooling method
JP2006298499A (ja) * 2005-04-15 2006-11-02 Murata Mach Ltd 糸のトラバース装置
DE102006014616A1 (de) * 2006-03-29 2007-10-11 Siemens Ag Linearmotor mit verschieden gestalteten Sekundärteilabschnitten
ITMI20061354A1 (it) 2006-07-12 2008-01-13 Savio Macchine Tessili Spa Dispositivo guadafilo ad alta frequenza per la produzione di rocche a zettatura modulata
ITMI20061353A1 (it) 2006-07-12 2008-01-13 Savio Macchine Tessili Spa Dispositivo per la guida del filo per la produzione di rocche con modulazione della zettatura

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Also Published As

Publication number Publication date
WO2010133443A1 (fr) 2010-11-25
CN102428017B (zh) 2013-06-19
EP2432722B1 (fr) 2013-07-03
JP2012527860A (ja) 2012-11-08
CN102428017A (zh) 2012-04-25
DE102009022061A1 (de) 2010-11-25
JP5579258B2 (ja) 2014-08-27

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